<template>
  <el-dialog :title="titleMap[mode]" v-model="visible" :width="500" destroy-on-close @closed="$emit('closed')">
    <el-form :model="form" :rules="rules" :disabled="mode=='show'" ref="dialogForm" label-width="100px">
      <el-form-item label="上级部门" prop="parent_id">
        <el-cascader v-model="form.parent_id" :options="groups" :props="groupsProps" :show-all-levels="false"
                     clearable style="width: 100%;"></el-cascader>
      </el-form-item>
      <el-form-item label="部门名称" prop="name">
        <el-input v-model="form.name" placeholder="请输入部门名称" clearable></el-input>
      </el-form-item>
      <el-form-item label="排序" prop="sort">
        <el-input-number v-model="form.sort" controls-position="right" :min="1" style="width: 100%;"></el-input-number>
      </el-form-item>
      <el-form-item label="是否有效" prop="status">
        <el-switch v-model="form.status" :active-value="1" :inactive-value="0"></el-switch>
      </el-form-item>
      <el-form-item label="备注" prop="remark">
        <el-input v-model="form.remark" clearable type="textarea"></el-input>
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="visible=false" >取 消</el-button>
      <el-button v-if="mode!='show'" type="primary" :loading="isSaveing" @click="submit()">保 存</el-button>
    </template>
  </el-dialog>
</template>

<script>
import api from '@/api/index.js'
import tool from '@/utils/tool.js'
export default {
  emits: ['success', 'closed'],
  data () {
    return {
      mode: 'add',
      titleMap: {
        add: '新增',
        edit: '编辑',
        show: '查看'
      },
      visible: false,
      isSaveing: false,
      // 表单数据
      form: {
        id: '',
        parent_id: '',
        name: '',
        sort: 0,
        status: '1',
        remark: ''
      },
      apiObj: api.system.dept,
      // 验证规则
      rules: {
        sort: [
          { required: true, message: '请输入排序', trigger: 'change' }
        ],
        name: [
          { required: true, message: '请输入部门名称' }
        ]
      },
      // 所需数据选项
      groups: [],
      groupsProps: {
        value: 'id',
        label: 'name',
        emitPath: false,
        checkStrictly: true
      }
    }
  },
  mounted () {
    this.getGroup()
  },
  methods: {
    // 显示
    open (mode = 'add') {
      this.mode = mode
      this.visible = true
      return this
    },
    // 加载树数据
    async getGroup () {
      const res = await this.apiObj.list()
      this.groups = tool.deepTree(res.data, 'parent_id')
    },
    // 表单提交方法
    submit () {
      this.$refs.dialogForm.validate(async (valid) => {
        if (valid) {
          this.isSaveing = true
          const submitData = {}
          Object.assign(submitData, this.form)
          // 判断，如果parent_id为null，设置为0
          if (submitData.parent_id === null) {
            submitData.parent_id = 0
          }
          let methodName
          if (this.form.id > 0) {
            methodName = 'update'
          } else {
            methodName = 'add'
          }
          const res = await this.apiObj[methodName](submitData)
          this.isSaveing = false
          if (res.code === 0) {
            this.$emit('success', this.form, this.mode)
            this.visible = false
            this.$message.success('操作成功')
          } else {
            this.$alert(res.message, '提示', { type: 'error' })
          }
        }
      })
    },
    // 表单注入数据
    async setData (data) {
      // 可以和上面一样单个注入，也可以像下面一样直接合并进去
      // console.log(data)
      // Object.assign(this.form, data)
      this.isSaveing = true
      const res = await this.apiObj.info({ id: data.id })
      console.log(res)
      this.form = res.data
      this.isSaveing = false
    }
  }
}
</script>

<style>
</style>
